Micron to Acquire Lexar Media,
Expanding Line Beyond Chips

Micron Technology Inc. said it agreed to buy Lexar Media Inc. in a stock swap valued at about $680 million, helping Micron expand from memory chips into consumer storage cartridges that use the devices.

Micron, of Boise, Idaho, is best known for making dynamic random access memory, or DRAM, chips. But it has recently diversified into so-called NAND flash memory -- chips that can store data when electrical power is switched off. That...